Which of the following is an exterior brick wall constructed with a vertical void space between the exterior wythe and the interior wythe?
A. Cavity wall
B. Buttress wall
C. Lintelled wall
D. Corbelled wall
Answer: A. Cavity wall
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When installing electric furnaces, all aspects of the power wiring circuit are crucial because of:
A) The sensitivity of the delicate electronic controls used to control electric heating elements. B) The intolerance of electric heating elements to voltage variation. C) The higher voltage that is supplied to electric furnaces. D) The high current draw of electric furnaces.
Intake manifold vacuum decreases and increases as the engine is accelerated and decelerated.
Answer the following statement true (T) or false (F)
ISO 9000:2015 is designed as:
A) a process approach to management. B) a 12-step process. C) a complete set of documentation to run any business. D) a set of technical standards to establish inspection limits. E) a method of sampling to prevent defects in any process.
Which of the following refrigerant conversions is not considered a drop-in?
A) HFC-134a for HCFC-22 B) HCFC-409A for CFC-12 C) HFC-407C for HCFC-22 D) HCFC-123 for CFC-11